Have you looked at using the spill data sets on SYSUT3 and SYSUT4?

Lennie Dymoke-Bradshaw
https://rsclweb.com 
‘Dance like no one is watching. Encrypt like everyone is.’

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of
PINION, RICHARD W.
Sent: 01 September 2021 15:54
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: IEBCOPY & PARM='WORK=xxMB'

We are running z/OS 2.2 on z15.  I am having a problem selectively unloading
a very large PDS/E, over 2,000,000 tracks, and with several thousand
members.  The SYSIN to IEBCOPY has 174,000 SELECT statements.  We are
getting

IEB1011E AVAILABLE STORAGE (4K) IS TOO SMALL.  ADD 7779K MORE BYTES TO WORK
SIZE.

And this is the EXEC statement for the IEBCOPY.

EXEC PGM=IEBCOPY,PARM='WORK=8M'

Our below the line private area is about 8.5 Meg.  I have REGION=32M on the
job statement.

I have tried various combinations of REGION=xxxM on the job statement, and
increases in the WORK parm value.  I cannot get around the error.

One thing I am trying now is to use two steps, assigning ½ of the SELECT
statements to the first step, and the remainder to the second step.  I am
creating two separate unload datasets using this method.  I suspect that one
cannot concatenate IEBCOPY UNLOAD datasets when reloading the PDS/E.

Any help or suggestions would be greatly appreciated.
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